Physik Instrumente (PI) GmbH & Co. KG engages in the design, development, and production of precision positioning technologies. Its product portfolio includes multichannel piezo amplifiers, modular controller systems, motion controllers for magnetic direct drives, gantry systems, fiber alignment systems, amplifiers for piezo actuators, high-load linear stages, optical power meters, and multichannel photonics alignment systems. Product applications include scientific instrumentation, semiconductor technology, microscopy, silicon photonics, medical technology, mechanical engineering, automation, and active alignment. The company is headquartered in Karlsruhe, Germany.